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NITED A,STATES nnen.

PATENT AND THOMAS POULTNEY, OF SAME PLACE.

IMPROVEMENT IN aEvoLvi-ae Fina-nains..v

i Specification forming part of Letters Patent No. 46,6h25 datedFebrnary 28, 1865. f

To all whom it may concern:

Be it known that I, CHARLES EDWARD SNEIDER, of the city and county ofBaltimore, in the State of Maryland, havcinvented a new and usefulImprovement in Fire-Arms; and I do hereby declare the following to be afull and exact description of the same,reference being had to theaccompanying drawings, making part of this specification, in which-Figure l is a sectional elevation of a revolver embodying myinvention.Fig. 2 is a rear end elevation of the cylinder. Similar letters ofreference indicate correspending parts in both gures.

\ This invention consists in the use of pins tted to slide within therearends ofthe chambers containing the cartridges, so that they may beim pelled forward against pins or primers to-prod-uce the explosion ofthe cartridges, and adapted to permit the exploded cartridgeshells to bereadily withdrawn. 1

` There-arm forming the subject of this application is particularlyadapted for use in connection with the cartridge for which LettersPatent are granted to me bearing date on the 22d day of November,1864,'a`s will be hereinafter explained.

The following description will enable others skilled in the art to whichmy .invention appertains to f ully understand and use ,the same.

-In the accompanyingdrawings the red lines l indicate fthe parts whichdo not bear an essential relation to my invention.

.A is a cylinder" having any desired vnumberof chambers, to'be turnedsuccessive! y in line withthe'barrelincustomarymanner. Each thecylinder-pin D .has been driven against the cartridge-pin c saidcylinder-pin D projects beyond the rear end of the cylinderA and abuisagainst or is in position from which it may be advanced a gainst thecartridge-pin c, which is permanentlyiixed within the metallic cartridgeC, and retains its central position therein after the cartridge has beenexploded.

The forward movement of the hammer E is arrested as soon as it hasdriven' the pin D forward to a sufficient extent to produce theexplosion, and after the discharge the pressure of the hammerupon the pin Dceases. When afterv discharge the chambers are turned to proper positionto admit of the withdrawal of the exploded shells, a rod, F, is insertedbei' tween' the 'frame' Gand the Acylinder-A; and employed after themanner oi' a leverto exert a forward pressure upon the pins D and pushthe cartridge-shells partially out of their. chambers, so that they maybe readily taken hold -of with the iin gers and withdrawn.

`If from any cause a cartridge should break i or burst when thedischarge takes place, the pinD of such cartridge will constitute aneffectual gas-check. 'As shown in Fig. 1 o'f the drawings,the rod F maybe conveniently carried in the stock."

Having thus described my invention, the followingis whatI claimasnew-therein and desire' to secure by Letters Patent: 1. The pins D,passing through the'rear part of thecylinder, and provided at theirforward 'ends with' heads d', adapted to act 'as gas-4 checks in the'event of gas rear of the cartridge.

' 2. In combination wthfth aforesaid pins D, T the"A describedconstruction'and relative ar-v rangement ofthe rear endet the cylinder'vand the hammer,'whereby the pins D, after having' been employedfor theexplosion of the cartridges, are'made capable of-an additional forwardmovement to effect. the injection of the exploded shells, as explained.vCHARLES ,ED-WARD sNEIDER. Witnesses: n i C. B. KLEIBAGKER,

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